In Chinese philosophy, the concept of yin yang (often referred to in the west as yin and yang) is used to describe how polar or seemingly contrary forces are interconnected and interdependent in the natural world, and how they give rise to each other in turn.
Saint Valentine is the name of several martyred saints of ancient Rome. The name "Valentine", derived from valens (worthy, strong, powerful), was popular in Late Antiquity. Of the Saint Valentine whose feast is on February 14, nothing is known except his name and that he was buried at the Via Flaminia north of Rome on February 14. It is even uncertain whether the feast of that day celebrates only one saint or more saints of the same name.
The Model G is a small tractor that was made by the Allis-Chalmers Manufacturing Company. At the time of its introduction the Model G was unique for its rear-mounted, Continental N62 engine. It was a four-cylinder engine with a 2-3/8 x 3-1/2 inch bore and stroke. The Model G was designed for small farms and vegetable gardeners, and had its own line of implements specifically designed for it, including ploughs, planters, and cultivators.